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Fill color shape with video source
Rank: Newbie
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Joined: 5/25/2023(UTC) Posts: 4 ![United States United States](/Content/images/flags/US.png) Location: CA Thanks: 3 times
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Hi everyone, I'm trying to set up a layered input with 5 video channels (vmix call/NDI sources). My goal is to have 4 videos in an equal "Brady Bunch" 4up, with the 5th video on top of the 4up in the center as a circle, like so: ![](/Themes/yafpro/icon_file.gif) 230525 OL circle layout chroma.png (55kb) downloaded 3 time(s).The main layer of the input is a transparent color. Layer 10 (top layer) is the above PNG with black bar borders, and a green circle in the middle that I'm hoping to fill with another video source via chroma. Outside of VMIX, I achieved this with an upstream key on an ATEM, choosing the green color as the chroma color, and the fill as a video input (sort of a "reverse green screen"). Is there a way to achieve this in VMIX? I have tried playing with the chroma setting on the PNG border linked above, and I can remove the green, but can't fill the green area with another source. Thanks in advanced for any ideas! -phrygn
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Rank: Advanced Member
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Joined: 9/10/2015(UTC) Posts: 133 ![United States United States](/Content/images/flags/US.png) Thanks: 2 times Was thanked: 35 time(s) in 32 post(s)
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Create a white circle PNG and import it.
Use that PNG as the alpha key for your video source.
Put the alpha keyed video as a layer on top of your PNG frame.
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![thanks](/Themes/yafpro/heart_small.png) 1 user thanked paco3346 for this useful post.
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Rank: Newbie
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Joined: 5/25/2023(UTC) Posts: 4 ![United States United States](/Content/images/flags/US.png) Location: CA Thanks: 3 times
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Thank you so much Paco! This is working successfully, however I need to zoom the video input out in order to frame it properly within the circle. When I change the zoom level of the video (virtual input), it also changes the size of the PNG circle. Any ideas on how I could implement this with a cropped/zoomed video, and not alter the size of the white circle?
Again, thanks so much for your helpful insight!
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Rank: Advanced Member
Groups: Registered
Joined: 9/10/2015(UTC) Posts: 133 ![United States United States](/Content/images/flags/US.png) Thanks: 2 times Was thanked: 35 time(s) in 32 post(s)
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You can change the zoom level of your PNG as well. There are other easier ways to do it that eat up more inputs but I usually just keep resizing the two until I have what I want
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![thanks](/Themes/yafpro/heart_small.png) 1 user thanked paco3346 for this useful post.
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Rank: Advanced Member
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Joined: 12/27/2012(UTC) Posts: 5,171 ![Belgium Belgium](/Content/images/flags/BE.png) Location: Belgium Thanks: 288 times Was thanked: 942 time(s) in 778 post(s)
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to have the ability to move, resize the video independatly within the green circle use a basic virtual set with the circle being a UVmap
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![thanks](/Themes/yafpro/heart_small.png) 1 user thanked doggy for this useful post.
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Rank: Newbie
Groups: Registered
Joined: 5/25/2023(UTC) Posts: 4 ![United States United States](/Content/images/flags/US.png) Location: CA Thanks: 3 times
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Thank you so much doggy, UV maps are exactly what I was looking for.
And thanks again to everyone who chimed in!
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